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  • Factory Custom White High Chemical Stability 100% Virgin PTFE Gasket PTFE Seals O-ring Ptfe Pi Flat Gasket Sealing Washers
  • Factory Custom White High Chemical Stability 100% Virgin PTFE Gasket PTFE Seals O-ring Ptfe Pi Flat Gasket Sealing Washers
  • Factory Custom White High Chemical Stability 100% Virgin PTFE Gasket PTFE Seals O-ring Ptfe Pi Flat Gasket Sealing Washers
  • Factory Custom White High Chemical Stability 100% Virgin PTFE Gasket PTFE Seals O-ring Ptfe Pi Flat Gasket Sealing Washers
  • Factory Custom White High Chemical Stability 100% Virgin PTFE Gasket PTFE Seals O-ring Ptfe Pi Flat Gasket Sealing Washers
  • Factory Custom White High Chemical Stability 100% Virgin PTFE Gasket PTFE Seals O-ring Ptfe Pi Flat Gasket Sealing Washers
Factory Custom White High Chemical Stability 100% Virgin PTFE Gasket PTFE Seals O-ring Ptfe Pi Flat Gasket Sealing Washers

Factory Custom White High Chemical Stability 100% Virgin PTFE Gasket PTFE Seals O-ring Ptfe Pi Flat Gasket Sealing Washers

  • 50 - 199 Pieces
    $0.50
  • 200 - 499 Pieces
    $0.20
  • >= 500 Pieces
    $0.10

Customization:

Customized logo（Min.Order: 100 pieces）
Customized packaging（Min.Order: 100 pieces）
Graphic customization（Min.Order: 100 pieces）
View product details

Factory Custom White High Chemical Stability 100% Virgin PTFE Gasket PTFE Seals O-ring Ptfe Pi Flat Gasket Sealing Washers

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Chemical Resistance: High chemical stability from 100% virgin PTFE material, ensuring durability in harsh environments with exposure to aggressive chemicals.
  • Sealing Performance: Designed for reliable sealing in machinery and industrial applications, with a flat, circular profile optimized for precision fit in valves, pumps, and reactors.

Key features

  • 1. Material Technology

    • With 100% virgin PTFE material, ensure superior resistance to harsh chemicals and corrosion compared to standard PTFE gaskets made with recycled materials*.

  • 2. Interactive Design

    • With precision-moulded and cut flat/circular designs, achieve seamless integration into machinery components, outperforming generic gaskets in dimensional accuracy*.

  • 3. Performance Parameters

    • With consistent dimensional stability across extreme temperatures and pressures, maintain optimal sealing performance in demanding industrial environments*.

  • 4. Scenario Solutions

    • Engineered for industrial machinery and chemical processing equipment, provide durable sealing solutions in aggressive environments where corrosion and chemical exposure are critical concerns*.

  • 5. Certification Standards

    • Manufactured to meet industrial sealing standards for chemical resistance and durability, ensuring compliance with machinery safety requirements*.

Product details

Factory Custom White High Chemical Stability 100% Virgin PTFE Gasket PTFE Seals O-ring Ptfe Pi Flat Gasket Sealing Washers

The Factory Custom White High Chemical Stability 100% Virgin PTFE Gasket is engineered for precision sealing in corrosive and high-temperature environments. Crafted from pure virgin PTFE, it offers exceptional chemical resistance, dimensional stability, and durability, making it ideal for machinery and industrial sealing applications.

Technical specifications

FeatureSpecificationBenefit
Material100% Virgin PTFESuperior purity ensures unmatched chemical inertness
Chemical ResistanceResists acids, alkalis, solvents, and oilsSafe for aggressive chemicals in industrial processes
Temperature Range-180°C to +260°CWithstands extreme thermal fluctuations
Dimensional Accuracy±0.01mm tolerance (ISO 3718)Precision fit for critical sealing systems
PatternFlat, circularVersatile for standard gasket applications

Customization guide

Adjustable parameters include thickness, inner/outer diameter, and hardness to meet specific sealing requirements. For example, thicker washers can enhance pressure resistance in high-stress machinery, while customized tolerances ensure compatibility with legacy equipment.

Get inspired

With its high chemical stability and temperature tolerance, this PTFE gasket is perfect for sealing systems in chemical plants, oil refineries, and high-temperature reactors. Its flat, circular design simplifies installation while maintaining leak-proof performance.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Chemical ResistanceMeets ASTM F416+15% enhanced+30%* (triple industry standard)
Temperature Range-180°C to +260°CSame as Base-200°C to +280°C
Tolerance Accuracy±0.01mm±0.005mm±0.003mm

Supplier's note

  1. Key Technical Breakthroughs:

    • The Pro Model’s +30% chemical resistance enables safe handling of concentrated acids and solvents in chemical processing.
    • The Advanced Model’s ±0.005mm tolerance ensures seamless integration with precision machinery.
    • All versions use 100% virgin PTFE, eliminating impurities for consistent performance.

  2. Optimal Version Selection:

    • Base Model: Ideal for standard industrial sealing (e.g., pumps, valves) where moderate chemical exposure is expected.
    • Advanced Model: Suited for high-precision applications requiring tighter tolerances, such as aerospace or medical equipment.
    • Pro Model: Designed for extreme environments (e.g., petrochemical refineries) where prolonged exposure to corrosive fluids or extreme temperatures is critical.

*Pro Model chemical resistance exceeds ISO 14174 benchmarks by 30%.

Frequently asked questions

  • Which PTFE gasket model suits high-chemical machinery applications?

  • How to clean and maintain PTFE seals for longevity?

  • PTFE vs Rubber Gaskets: Which is better for chemical sealing?

  • Can custom sizes be made for machinery-specific PTFE washers?

  • Is this PTFE gasket FDA-approved for food-grade sealing?

  • Which PTFE gasket works best for high-pressure machinery?

  • How long do virgin PTFE seals last in corrosive environments?

  • What processing options are available for Pi Flat Gasket customization?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
PTFE Gaskets (Our Product)Chemical processing, high-corrosion environments- Corrosion Resistance: 30 chemicals (Base) ▲ 50+ chemicals (Advanced, ASTM D543)
- Flat Design: 0.5mm–3mm thickness (ISO 3098)		▲ Superior chemical resistance vs. rubber/metal
Temperature stability (-200°C to 260°C)		Higher cost than rubber
Brittle at extreme cold (below -100°C)
Rubber GasketsAutomotive, general industrial sealing- Oil Resistance: ASTM D2000 Class B-11
- Flexibility: Shore A 60–90 hardness		Cost-effective
Flexible for uneven surfaces		Limited chemical resistance (e.g., weak against solvents)
Age-related degradation
Metal GasketsHigh-pressure systems, aerospace- Pressure Rating: 10,000 psi (ASTM A105)
- Temperature: Up to 800°C (stainless steel)		High durability under extreme conditions
Rigid structural integrity		Prone to corrosion without coatings
Expensive for large-scale use
EPDM SealsAutomotive, weather-exposed equipment- UV Resistance: ASTM D4141 compliant
- Temperature Range: -40°C to 120°C		Resistant to ozone and UV aging
Excellent flexibility		Poor oil/chemical resistance compared to PTFE
Not suitable for high temps >120°C
Silicone SealsFood-grade, medical applications- FDA Compliance: 21 CFR 177.2600
- Temperature Range: -50°C to 250°C		Non-toxic and inert
Wide temperature adaptability		Lower compression strength vs. metal/PTFE
Neoprene SealsMarine, oil-based machinery- Oil Resistance: ASTM D471 >150% elongation after 72hr oil exposure
- Abrasion Resistance: ISO 4649 Class 2		Resists oils and water ingress
Good durability in harsh environments		Moderate chemical resistance (not PTFE-level)
Heavier than rubber alternatives

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